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This is a guide about removing rust from metal tools. Tools that are free of rust are much nicer and easier to use. Whether you accidentally left them out overnight or picked up some tools cheap at a garage sale, sometimes you need to clean the rust off of metal tools.
Metal Protector ... The same paste wax that maintains a car's finish does a dynamite job on painted metal furniture. Once a season, apply an even coat with a damp terry cloth towel to furnishings; let dry, then lightly buff with a soft cotton rag. The wax will repel water, preventing rust, and also restore luster to dull paint.
“Soak your knives in vinegar to remove rust spots” - Make It Better Forget the vinegar or lemon juice: use a potato. Slice it in half, dip the sliced side in baking soda, and scrub your knife with the potato. Wash, and rub with a little bit of vegetable oil to help prevent more rust! | Cleaning hacks That Don't Actually Work (and How To Make Them Better)